Gentoo Archives: gentoo-hardened

From: Tad <tadglines@×××××××.net>
To: 'Chris PeBenito' <pebenito@g.o>
Cc: 'Hardened Gentoo Mail List' <gentoo-hardened@g.o>
Subject: RE: [gentoo-hardened] emerge and setfiles
Date: Wed, 26 Nov 2003 00:40:26
Message-Id: 002601c3b3b5$d8b7c300$0301a8c0@sprite
In Reply to: RE: [gentoo-hardened] emerge and setfiles by Chris PeBenito
1 Thanks,
2
3 This was a good start, but it needed a few additions for it to work on my
4 system.
5
6 On my system the tty device is labeled with portage_tty_device_t instead of
7 portage_devpts_t. This is probably because /dev/pts does not appear to be
8 used for ttys. Also, setfiles_t was missing the tty grant.
9
10 -Tad
11
12 > -----Original Message-----
13 > From: Chris PeBenito [mailto:pebenito@g.o]
14 > Sent: Tuesday, November 25, 2003 7:44 AM
15 > To: Tad
16 > Cc: 'Hardened Gentoo Mail List'
17 > Subject: RE: [gentoo-hardened] emerge and setfiles
18 >
19 > On Tue, 2003-11-25 at 01:02, Tad wrote:
20 > > There are no denial messages. From the root:portage_r:portage_t read and
21 >
22 > > I can see nothing wrong so this is really perplexing.
23 > > What is especially odd is the lack of denial messages.
24 >
25 > Well this was a sneaky bug. Only people that change to portage_r would
26 > see this. The problem was that portage_t could transition to
27 > setfiles_t, but portage_r could not have the setfiles_t type. If you
28 > use the sysadm_t auto-transition, which most people seem to do, the role
29 > stays as sysadm_r, which was allowed setfiles_t, and thus wouldn't run
30 > into this problem. Please try adding on this patch, it should fix it.
31 >
32 > cd /etc/security/selinux/src/policy
33 > patch -p1 < /path/to/selinux-base-policy-20031010-r1-portage_r-types.diff
34 >
35 > --
36 > Chris PeBenito
37 > <pebenito@g.o>
38 > Developer,
39 > Hardened Gentoo Linux
40 > Embedded Gentoo Linux
41 >
42 > Public Key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE6AF9243
43 > Key fingerprint = B0E6 877A 883F A57A 8E6A CB00 BC8E E42D E6AF 9243
44
45
46 --
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